plot ebers-moll equations for bjt in matlab

main.m
% Constants and parameters
I_S = 1e-15;    % Saturation current
beta_F = 100;   % Forward common-emitter current gain
V_T = 25.85e-3; % Thermal voltage

% Base-emitter current equation
I_C = @(V_BE) I_S * (exp(V_BE / V_T) - 1);

% Base-collector current equation
I_E = @(V_BE) beta_F * I_S * (exp(V_BE / V_T) - 1);

% Plotting the characteristics
V_BE_range = linspace(0, 1, 100); % Base-emitter voltage range
I_C_values = arrayfun(I_C, V_BE_range); % Calculating collector current values
I_E_values = arrayfun(I_E, V_BE_range); % Calculating emitter current values

figure;
plot(V_BE_range, I_C_values, 'b', 'LineWidth', 2);
hold on;
plot(V_BE_range, I_E_values, 'r', 'LineWidth', 2);
xlabel('V_{BE} (V)');
ylabel('Current (A)');
legend('Collector Current (I_C)', 'Emitter Current (I_E)');
title('Ebers-Moll Equations for BJT');
grid on;
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main.m
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